*{
    margin: 0;
    padding: 0;
    font-size: 16px;
}
.van-nav-bar {

    background-color:#3196fa !important;
}

.van-nav-bar__title {
    color:#fff !important;
}

.van-nav-bar__arrow {

    color:#fff !important;
}

.van-nav-bar__text {
    color: #fff !important;
}